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add enum_next_value and enum_prev_value

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neargye 2023-06-12 17:45:42 +04:00
parent cf963cba28
commit 7a881a68ba
3 changed files with 223 additions and 0 deletions
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63
test/test.cpp
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@ -30,6 +30,7 @@
#include <magic_enum.hpp>
#include <magic_enum_fuse.hpp>
#include <magic_enum_iostream.hpp>
#include <magic_enum_utility.hpp>
#include <array>
#include <cctype>
@ -1140,3 +1141,65 @@ TEST_CASE("format-base") {
}
#endif
TEST_CASE("enum_next_value") {
REQUIRE(enum_next_value(Color::RED) == Color::GREEN);
REQUIRE(enum_next_value(Color::RED, 2) == Color::BLUE);
REQUIRE(enum_next_value(Color::RED, 1) == Color::GREEN);
REQUIRE(enum_next_value(Color::RED, 0) == Color::RED);
REQUIRE(enum_next_value(Color::BLUE, -2) == Color::RED);
REQUIRE(enum_next_value(Color::BLUE, -1) == Color::GREEN);
REQUIRE_FALSE(enum_next_value(Color::BLUE).has_value());
REQUIRE_FALSE(enum_next_value(Color::RED, -1).has_value());
REQUIRE_FALSE(enum_next_value(Color::RED, 10).has_value());
}
TEST_CASE("enum_next_value_circular") {
REQUIRE(enum_next_value_circular(Color::RED) == Color::GREEN);
REQUIRE(enum_next_value_circular(Color::RED, 2) == Color::BLUE);
REQUIRE(enum_next_value_circular(Color::RED, 1) == Color::GREEN);
REQUIRE(enum_next_value_circular(Color::RED, 0) == Color::RED);
REQUIRE(enum_next_value_circular(Color::BLUE, -2) == Color::RED);
REQUIRE(enum_next_value_circular(Color::BLUE, -1) == Color::GREEN);
REQUIRE(enum_next_value_circular(Color::BLUE) == Color::RED);
REQUIRE(enum_next_value_circular(Color::BLUE, 4) == Color::RED);
REQUIRE(enum_next_value_circular(Color::BLUE, 3) == Color::BLUE);
REQUIRE(enum_next_value_circular(Color::BLUE, 2) == Color::GREEN);
REQUIRE(enum_next_value_circular(Color::BLUE, 1) == Color::RED);
REQUIRE(enum_next_value_circular(Color::BLUE, 0) == Color::BLUE);
REQUIRE(enum_next_value_circular(Color::RED, -1) == Color::BLUE);
REQUIRE(enum_next_value_circular(Color::RED, -2) == Color::GREEN);
REQUIRE(enum_next_value_circular(Color::RED, -3) == Color::RED);
REQUIRE(enum_next_value_circular(Color::RED, -4) == Color::BLUE);
}
TEST_CASE("enum_prev_value") {
REQUIRE(enum_prev_value(Color::BLUE) == Color::GREEN);
REQUIRE(enum_prev_value(Color::BLUE, 2) == Color::RED);
REQUIRE(enum_prev_value(Color::BLUE, 1) == Color::GREEN);
REQUIRE(enum_prev_value(Color::RED, -2) == Color::BLUE);
REQUIRE(enum_prev_value(Color::RED, -1) == Color::GREEN);
REQUIRE(enum_prev_value(Color::BLUE, 0) == Color::BLUE);
REQUIRE_FALSE(enum_prev_value(Color::RED).has_value());
REQUIRE_FALSE(enum_prev_value(Color::BLUE, -1).has_value());
REQUIRE_FALSE(enum_prev_value(Color::BLUE, 10).has_value());
}
TEST_CASE("enum_prev_value_circular") {
REQUIRE(enum_prev_value_circular(Color::RED) == Color::BLUE);
REQUIRE(enum_prev_value_circular(Color::RED, 2) == Color::GREEN);
REQUIRE(enum_prev_value_circular(Color::RED, 1) == Color::BLUE);
REQUIRE(enum_prev_value_circular(Color::RED, 0) == Color::RED);
REQUIRE(enum_prev_value_circular(Color::BLUE, -2) == Color::GREEN);
REQUIRE(enum_prev_value_circular(Color::BLUE, -1) == Color::RED);
REQUIRE(enum_prev_value_circular(Color::BLUE) == Color::GREEN);
REQUIRE(enum_prev_value_circular(Color::BLUE, 4) == Color::GREEN);
REQUIRE(enum_prev_value_circular(Color::BLUE, 3) == Color::BLUE);
REQUIRE(enum_prev_value_circular(Color::BLUE, 2) == Color::RED);
REQUIRE(enum_prev_value_circular(Color::BLUE, 1) == Color::GREEN);
REQUIRE(enum_prev_value_circular(Color::BLUE, 0) == Color::BLUE);
REQUIRE(enum_prev_value_circular(Color::RED, -1) == Color::GREEN);
REQUIRE(enum_prev_value_circular(Color::RED, -2) == Color::BLUE);
REQUIRE(enum_prev_value_circular(Color::RED, -3) == Color::RED);
REQUIRE(enum_prev_value_circular(Color::RED, -4) == Color::GREEN);
}